overzealous vs rabid

overzealous and rabid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
overzealous	No	Yes	No	No
rabid	No	Yes	No	No

As adjectives, overzealous and rabid are synonyms defined as:

overzealous and rabid: marked by excessive enthusiasm for and intense devotion to a cause or idea

Other synonyms of overzealous include fanatic, fanatical.

overzealous (adjective)	rabid (adjective)
marked by excessive enthusiasm for and intense devotion to a cause or idea	of or infected by rabies
	marked by excessive enthusiasm for and intense devotion to a cause or idea